Just below him lay the longest ice-slope, or couloir, he had hitherto encountered.
A few minutes more, and he stood at the foot of the couloir.
In a quarter of an hour we were on the other side of the couloir.
We resolved, then, to risk the short stretch across the couloir.
We climbed down into the couloir: the ice was furrowed by avalanches.
We reached the rocks to ...